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APPARATUS, METHOD TO ENHANCE COLOR CONTRAST IN PHOSPHOR-BASED SOLID STATE LIGHTS
APPARATUS, METHOD TO ENHANCE COLOR CONTRAST IN PHOSPHOR-BASED SOLID STATE LIGHTS
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机译:装置,增强基于磷的固态光中的颜色对比度的方法
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摘要
The efficiency and color contrast of a lighting device may be improved by using wavelength shifting material, such as a phosphor, to absorb less desired wavelengths and transmit more desired wavelengths. A double-notch reflective filter may pass desired wavelengths such as red and green, while returning or reflecting less desired wavelengths (blue and yellow) away from an optical exit back toward wavelength shifting material and re-emitted as light of more desirable wavelengths.
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